Seo, Yeon Seok, Kwon, Yong Dae, Park, Sanghoon, Keum, Bora, Park, Beom Jin, Kim, Yong Sik, Jeen, Yoon Tae, Chun, Hoon Jai, Kim, Chang Duck, Ryu, Ho Sang, et al.
ArticleIssue Date2008CitationGASTROINTESTINAL ENDOSCOPY, v.67, no.4, pp.759 - 762PublisherMOSBY-ELSEVIER